SPY puts expiring Oct 16 traded 3.0x the calls on that date
As of , published from Oct 13, 2026, 09:47 ET. Source: Schwab options chain.
5,675 put and 1,880 call contracts by 09:32 ET on Oct 13, 2026. Est. premium $1.1M puts, $413K calls. Tracked: up to 40 strikes around the money across 34 expirations.
CCalls1,880
PPuts5,675
contracts
Evidence
The numbers behind this snapshot, Oct 13, 2026, 09:32 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
CCall volume (contracts)
1,880
PPut volume (contracts)
5,675
CCall open interest, prior settlement
400,551
PPut open interest, prior settlement
301,573
CCall premium, est. (USD)
$413K
PPut premium, est. (USD)
$1.1M
Put/call volume ratio
3.0x
Days to expiry
3
Why it fired
Rule
put/call volume >= 2.5 (absolute: baseline n 3 < 5); put volume >= 2000; call volume >= 500; expiry >= 1% of ticker volume
Values that cleared it
Put volume (contracts): 5,675; Ratio: 3.02
Contracts traded behind each figure
Calls: 30; Puts: 28
Baseline
median put/call volume ratio, contracts within a week: 1.24
Baseline window
last 20 sessions
Baseline n
3, so the fixed threshold applied
Claim level
1, arithmetic on reported figures
Last-trade position, raw counts
Count of contracts whose single last trade sat near the ask or bid. Not the side of the session's volume. It is not used in the headline.
Count of contracts by where their single last trade sat against the quote.
SPY calls expiring that date in the strikes we track traded 3.9x their open interest, by 10:12 ET on Oct 13, 2026. Tracked: up to 40 strikes around the money across 34 expirations.
5,332 put and 1,285 call contracts by 09:42 ET on Oct 13, 2026. Est. premium $2.2M puts, $791K calls. Tracked: up to 40 strikes around the money across 34 expirations.