diff --git a/bot.py b/bot.py
index 54ab73f..65c35b0 100644
--- a/bot.py
+++ b/bot.py
@@ -1,11 +1,10 @@
 from __future__ import annotations
 
 import datetime as dt
-from http import client
 import json
 import time
 import uuid
-from typing import Dict, List, Optional, Tuple
+from typing import Dict, Tuple
 
 import yaml
 
@@ -16,14 +15,43 @@ from spot_feed import SpotFeed
 from storage import Storage
 
 
+# ---------- helpers ----------
+
 def _parse_iso_z(s: str) -> dt.datetime:
-    # Example: "2023-11-07T05:31:56Z"
+    """Parse ISO timestamps ending in Z."""
     return dt.datetime.fromisoformat(s.replace("Z", "+00:00"))
 
-def discover_open_crypto_15m_markets(client: KalshiClient, symbols: list[str]) -> dict[str, dict]:
+
+def dollars_to_cents_price(p: float) -> int:
+    """Convert $0.00–$1.00 price to 1–99 cents."""
+    return max(1, min(99, int(round(p * 100))))
+
+
+def extract_strike_and_rule(market: dict) -> Tuple[float, bool]:
     """
-    Discover open 15-minute crypto markets by scanning open markets directly.
-    Returns mapping: symbol -> market_dict (nearest close)
+    Returns (strike, resolves_yes_if_spot_ge_strike).
+    """
+    strike_type = market.get("strike_type")
+
+    if strike_type == "greater":
+        return float(market["floor_strike"]), True
+    if strike_type == "less":
+        return float(market["cap_strike"]), False
+
+    if market.get("floor_strike") is not None:
+        return float(market["floor_strike"]), True
+    if market.get("cap_strike") is not None:
+        return float(market["cap_strike"]), False
+
+    raise RuntimeError(f"Unable to determine strike from market: {json.dumps(market)[:400]}")
+
+
+def discover_open_crypto_15m_markets(
+    client: KalshiClient,
+    symbols: list[str],
+) -> dict[str, dict]:
+    """
+    Discover nearest-closing open 15-minute crypto markets by scanning open markets directly.
     """
     data = client.get_markets(series_ticker=None, status="open", limit=500)
     markets = data.get("markets", [])
@@ -33,6 +61,7 @@ def discover_open_crypto_15m_markets(client: KalshiClient, symbols: list[str]) -
 
     for m in markets:
         title = (m.get("title") or "").upper()
+
         if "UP OR DOWN" not in title:
             continue
         if "15" not in title:
@@ -53,99 +82,54 @@ def discover_open_crypto_15m_markets(client: KalshiClient, symbols: list[str]) -
     return per_symbol
 
 
-def choose_current_market(client: KalshiClient, series_ticker: str) -> Optional[dict]:
-    """
-    From open markets in a series, pick the one with the nearest close_time in the future.
-    """
-    data = client.get_markets(series_ticker=series_ticker, status="open", limit=200)
-    markets = data.get("markets", [])
-    now = dt.datetime.now(dt.timezone.utc)
-
-    best = None
-    best_close = None
-    for m in markets:
-        close_time = _parse_iso_z(m["close_time"])
-        if close_time <= now:
-            continue
-        if best_close is None or close_time < best_close:
-            best = m
-            best_close = close_time
-    return best
-
-
-def extract_strike_and_rule(market: dict) -> Tuple[float, bool]:
-    """
-    Returns (strike, resolves_yes_if_spot_ge_strike).
-    For many threshold markets, Kalshi provides strike_type + floor_strike/cap_strike.
-    """
-    strike_type = market.get("strike_type")  # e.g., "greater" or "less"
-    if strike_type == "greater":
-        strike = float(market.get("floor_strike"))
-        return strike, True  # YES if spot >= strike
-    if strike_type == "less":
-        strike = float(market.get("cap_strike"))
-        return strike, False  # YES if spot <= strike
-
-    # Fallback: if missing, try floor_strike then cap_strike
-    if market.get("floor_strike") is not None:
-        return float(market["floor_strike"]), True
-    if market.get("cap_strike") is not None:
-        return float(market["cap_strike"]), False
-
-    raise RuntimeError(f"Could not determine strike from market fields: {json.dumps(market)[:500]}")
-
-
-def dollars_to_cents_price(p: float) -> int:
-    # p is dollars 0.00..1.00; convert to cents 1..99
-    c = int(round(p * 100))
-    return max(1, min(99, c))
-
+# ---------- main bot ----------
 
 def main() -> None:
     with open("config.yaml", "r") as f:
         cfg = yaml.safe_load(f)
 
-    mode = cfg["mode"]
+    mode = cfg["mode"]  # "paper" or "live"
+    symbols = cfg["symbols"]
+
     client = KalshiClient.from_env()
-
-    if len(series_map) == 0:
-        raise RuntimeError("Could not discover any matching 15-min crypto series. Check title/category filters.")
-
-    spot = SpotFeed(urls=cfg["coinbase"], lookback_seconds=int(cfg["vol_lookback_seconds"]))
+    spot = SpotFeed(
+        urls=cfg["coinbase"],
+        lookback_seconds=int(cfg["vol_lookback_seconds"]),
+    )
     storage = Storage("storage.sqlite")
-    risk = RiskManager(cfg["daily_loss_limit"], cfg["max_consecutive_losses"])
+    risk = RiskManager(
+        cfg["daily_loss_limit"],
+        cfg["max_consecutive_losses"],
+    )
 
-    last_traded_market: Dict[str, str] = {}  # symbol -> market_ticker
+    last_traded_market: Dict[str, str] = {}
 
-    print(f"[init] mode={mode} series_map={series_map}")
+    print(f"[init] mode={mode} symbols={symbols}")
 
     while True:
         if risk.trading_halted():
-            print("[risk] Trading halted by risk manager. Sleeping 60s.")
+            print("[risk] Trading halted — sleeping 60s")
             time.sleep(60)
             continue
 
-        # refresh spot history
+        # update spot feed
         try:
             spot.update()
         except Exception as e:
-            print(f"[spot] Error fetching spot: {e}")
+            print(f"[spot] update failed: {e}")
             time.sleep(5)
             continue
 
         now = dt.datetime.now(dt.timezone.utc)
 
-        symbols = cfg["symbols"]
-
         markets_by_symbol = discover_open_crypto_15m_markets(client, symbols)
 
         for sym, m in markets_by_symbol.items():
-
-
+            try:
                 market_ticker = m["ticker"]
                 close_time = _parse_iso_z(m["close_time"])
 
-                # Only fire in a tight window starting at (close_time - lead_seconds)
+                # Trade window: T−6 minutes for a short window
                 lead = dt.timedelta(seconds=int(cfg["lead_seconds"]))
                 window = dt.timedelta(seconds=int(cfg["trade_window_seconds"]))
                 start = close_time - lead
@@ -154,61 +138,37 @@ def main() -> None:
                 if not (start <= now <= end):
                     continue
 
-                # prevent duplicate trade on same market
                 if last_traded_market.get(sym) == market_ticker:
                     continue
 
-                # Pull full market details (strike fields more reliable)
                 market_full = client.get_market(market_ticker)["market"]
                 strike, yes_if_ge = extract_strike_and_rule(market_full)
 
-                # Market best prices (dollars strings included)
                 yes_bid = float(market_full.get("yes_bid_dollars") or 0.0)
                 yes_ask = float(market_full.get("yes_ask_dollars") or 1.0)
                 spread = yes_ask - yes_bid
+                market_prob = yes_ask
 
-                market_prob = yes_ask  # to buy YES, you pay the ask
-
-                # Guardrails: spread + prob bounds
                 if spread > float(cfg["max_spread_dollars"]):
-                    reason = f"skip: spread {spread:.4f} > max"
-                    storage.log_decision(
-                        ts=time.time(),
-                        symbol=sym, series_ticker=series_ticker, market_ticker=market_ticker,
-                        close_time=m["close_time"], strike=strike, side="yes",
-                        market_prob=market_prob, fair_prob=0.0, edge=0.0,
-                        spread=spread, jump=0.0, reason=reason
-                    )
                     continue
 
-                if not (float(cfg["min_market_prob"]) <= market_prob <= float(cfg["max_market_prob"])):
-                    reason = f"skip: market_prob {market_prob:.4f} outside bounds"
-                    storage.log_decision(
-                        ts=time.time(),
-                        symbol=sym, series_ticker=series_ticker, market_ticker=market_ticker,
-                        close_time=m["close_time"], strike=strike, side="yes",
-                        market_prob=market_prob, fair_prob=0.0, edge=0.0,
-                        spread=spread, jump=0.0, reason=reason
-                    )
+                if not (cfg["min_market_prob"] <= market_prob <= cfg["max_market_prob"]):
                     continue
 
-                # Jump filter (tail risk)
-                jump = abs(spot.returns_over_window(sym, int(cfg["jump_lookback_seconds"])))
-                if jump > float(cfg["max_abs_jump"]):
-                    reason = f"skip: jump {jump:.5f} > max"
-                    storage.log_decision(
-                        ts=time.time(),
-                        symbol=sym, series_ticker=series_ticker, market_ticker=market_ticker,
-                        close_time=m["close_time"], strike=strike, side="yes",
-                        market_prob=market_prob, fair_prob=0.0, edge=0.0,
-                        spread=spread, jump=jump, reason=reason
-                    )
+                jump = abs(
+                    spot.returns_over_window(sym, int(cfg["jump_lookback_seconds"]))
+                )
+                if jump > cfg["max_abs_jump"]:
                     continue
 
-                # Fair probability
                 spot_px = spot.latest(sym)
                 sigma = spot.realized_vol(sym)
-                time_remaining = max(1.0, (close_time - now).total_seconds())
+
+                # IMPORTANT: settlement is the AVERAGE of the final 60 seconds
+                time_remaining = max(
+                    60.0,
+                    (close_time - now).total_seconds(),
+                )
 
                 fair = fair_prob_threshold(
                     spot=spot_px,
@@ -219,54 +179,55 @@ def main() -> None:
                 )
 
                 edge = fair - market_prob
-                if edge < float(cfg["min_edge"]):
-                    reason = f"skip: edge {edge:.4f} < min"
-                    storage.log_decision(
-                        ts=time.time(),
-                        symbol=sym, series_ticker=series_ticker, market_ticker=market_ticker,
-                        close_time=m["close_time"], strike=strike, side="yes",
-                        market_prob=market_prob, fair_prob=fair, edge=edge,
-                        spread=spread, jump=jump, reason=reason
-                    )
+                if edge < cfg["min_edge"]:
                     continue
 
-                # Determine limit price (cents)
-                improve = int(cfg.get("limit_price_improve_cents", 0))
                 yes_ask_cents = dollars_to_cents_price(yes_ask)
+                improve = int(cfg.get("limit_price_improve_cents", 0))
                 limit_cents = max(1, yes_ask_cents - improve)
 
-                # Size by max_cost
-                max_cost_cents = int(round(float(cfg["max_cost_dollars"]) * 100))
-                # worst-case cost ≈ count * price_cents
-                count = max(0, max_cost_cents // limit_cents)
+                max_cost_cents = int(round(cfg["max_cost_dollars"] * 100))
+                count = max_cost_cents // limit_cents
                 if count <= 0:
-                    reason = "skip: count computed as 0"
-                    storage.log_decision(
-                        ts=time.time(),
-                        symbol=sym, series_ticker=series_ticker, market_ticker=market_ticker,
-                        close_time=m["close_time"], strike=strike, side="yes",
-                        market_prob=market_prob, fair_prob=fair, edge=edge,
-                        spread=spread, jump=jump, reason=reason
-                    )
                     continue
 
-                # Log decision
                 storage.log_decision(
                     ts=time.time(),
-                    symbol=sym, series_ticker=series_ticker, market_ticker=market_ticker,
-                    close_time=m["close_time"], strike=strike, side="yes",
-                    market_prob=market_prob, fair_prob=fair, edge=edge,
-                    spread=spread, jump=jump, reason="trade"
+                    symbol=sym,
+                    series_ticker="",
+                    market_ticker=market_ticker,
+                    close_time=m["close_time"],
+                    strike=strike,
+                    side="yes",
+                    market_prob=market_prob,
+                    fair_prob=fair,
+                    edge=edge,
+                    spread=spread,
+                    jump=jump,
+                    reason="trade",
                 )
 
-                client_order_id = f"{sym}-{uuid.uuid4().hex[:12]}"
+                client_order_id = f"{sym}-{uuid.uuid4().hex[:10]}"
 
                 if mode == "paper":
-                    print(f"[PAPER] {sym} trade {market_ticker} count={count} limit={limit_cents}c max_cost={max_cost_cents}c edge={edge:.3f}")
-                    storage.log_order(market_ticker, order_id=None, mode="paper", status="simulated",
-                                      details=f"count={count} yes_price={limit_cents} buy_max_cost={max_cost_cents} edge={edge:.4f}")
+                    print(
+                        f"[PAPER] {sym} {market_ticker} "
+                        f"count={count} limit={limit_cents}c "
+                        f"edge={edge:.3f}"
+                    )
+                    storage.log_order(
+                        market_ticker,
+                        order_id=None,
+                        mode="paper",
+                        status="simulated",
+                        details=f"count={count} limit={limit_cents} edge={edge:.4f}",
+                    )
                 else:
-                    print(f"[LIVE] {sym} placing order {market_ticker} count={count} limit={limit_cents}c max_cost={max_cost_cents}c edge={edge:.3f}")
+                    print(
+                        f"[LIVE] {sym} {market_ticker} "
+                        f"count={count} limit={limit_cents}c "
+                        f"edge={edge:.3f}"
+                    )
                     resp = client.create_order(
                         ticker=market_ticker,
                         side="yes",
@@ -278,14 +239,18 @@ def main() -> None:
                         client_order_id=client_order_id,
                     )
                     order = resp.get("order", {})
-                    order_id = order.get("order_id")
-                    status = order.get("status", "unknown")
-                    storage.log_order(market_ticker, order_id=order_id, mode="live", status=status, details=json.dumps(order)[:2000])
+                    storage.log_order(
+                        market_ticker,
+                        order_id=order.get("order_id"),
+                        mode="live",
+                        status=order.get("status", "unknown"),
+                        details=json.dumps(order)[:1500],
+                    )
 
                 last_traded_market[sym] = market_ticker
 
             except Exception as e:
-                print(f"[loop] Error for {sym}: {e}")
+                print(f"[loop] error for {sym}: {e}")
 
         time.sleep(2)
 
diff --git a/spot_feed.py b/spot_feed.py
index 4ba8bf6..0518972 100644
--- a/spot_feed.py
+++ b/spot_feed.py
@@ -4,6 +4,7 @@ import time
 from collections import deque
 from dataclasses import dataclass
 from typing import Deque, Dict, Tuple
+import certifi
 
 import requests
 
@@ -24,10 +25,9 @@ class SpotFeed:
         self.history: Dict[str, Deque[SpotPoint]] = {sym: deque() for sym in urls.keys()}
 
     def _fetch(self, url: str) -> float:
-        r = requests.get(url, timeout=10)
+        r = requests.get(url, timeout=10, verify=certifi.where())
         r.raise_for_status()
         data = r.json()
-        # Coinbase shape: {"data": {"amount": "70428.82", "currency": "USD"}}
         return float(data["data"]["amount"])
 
     def update(self) -> Dict[str, float]:
diff --git a/storage.sqlite-shm b/storage.sqlite-shm
new file mode 100644
index 0000000..fe9ac28
Binary files /dev/null and b/storage.sqlite-shm differ
diff --git a/storage.sqlite-wal b/storage.sqlite-wal
new file mode 100644
index 0000000..e69de29