For informational and educational purposes only. Not a trading application. Not investment advice. Past performance does not guarantee future results. Forecasts are general model estimates, often wrong, and scored in public.
Across the tracked strikes of that expiry, SPY calls traded 1.4x their open interest, against 9.7x for the 756 strike, by 09:37 ET on Nov 12, 2026. Tracked: up to 42 strikes around the money across 34 expirations.
CStrike9.7x
Expiry1.4x
Evidence
The numbers behind this snapshot, Nov 12, 2026, 09:37 ET. Session volume from delayed options chain snapshots, published at least 15 minutes after capture. Totals cover the strikes captured around the money, not every listed strike. Not individual trades. Premium is an estimate: volume times the quote midpoint.
Measure
Value
Volume / prior open interest, this strike
9.7x
Volume / prior open interest, the expiry's tracked strikes
1.4x
Days to expiry
0
Why it fired
Rule
volume/prior OI >= 5.0 and >= 3.0 x this expiry's call volume/OI; prior OI >= 1000; volume >= 2000
Values that cleared it
Expiry ratio: 1.43; Ratio: 9.71
Contracts traded behind each figure
Expiry calls: 38
Baseline
this expiry's call volume/open interest, same session: 1.43
Baseline window
same expiry, same session (n = strikes with open interest)
The median is SPY's put/call volume ratio for contracts within a week over the last 20 sessions. 4,018 put and 1,775 call contracts by 09:37 ET on Nov 12, 2026. Tracked: up to 42 strikes around the money across 34 expirations.
The median is SPY's put/call volume ratio for contracts within a week over the last 20 sessions. 24,584 put and 9,763 call contracts by 09:32 ET on Nov 12, 2026. Tracked: up to 40 strikes around the money across 34 expirations.
Within 3 weeks: 135,947 put and 76,945 call contracts. 1 to 3 months out: 3,735 put and 1,040 call contracts. By 09:32 ET on Nov 12, 2026. Tracked: up to 40 strikes around the money across 34 expirations.