SPY puts expiring Oct 16 traded 2.6x the calls on that date
As of , published from Oct 12, 2026, 09:52 ET. Source: Schwab options chain.
15,303 put and 5,926 call contracts by 09:37 ET on Oct 12, 2026. Est. premium $2.3M puts, $2.0M calls. Tracked: up to 40 strikes around the money across 33 expirations.
CCalls5,926
PPuts15,303
contracts
Evidence
The numbers behind this snapshot, Oct 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
CCall volume (contracts)
5,926
PPut volume (contracts)
15,303
CCall open interest, prior settlement
408,694
PPut open interest, prior settlement
254,008
CCall premium, est. (USD)
$2.0M
PPut premium, est. (USD)
$2.3M
Put/call volume ratio
2.6x
Days to expiry
4
Why it fired
Rule
put/call volume >= 2.5 (absolute: baseline n 2 < 5); put volume >= 2000; call volume >= 500; expiry >= 1% of ticker volume
Values that cleared it
Put volume (contracts): 15,303; Ratio: 2.58
Contracts traded behind each figure
Calls: 40; Puts: 32
Baseline
median put/call volume ratio, contracts within a week: 1.295
Baseline window
last 20 sessions
Baseline n
2, 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 puts expiring that date in the strikes we track traded 1.9x their open interest, by 09:48 ET on Oct 12, 2026. Tracked: up to 40 strikes around the money across 33 expirations.