The median is SPY's put/call volume ratio for contracts 1 to 3 weeks out over the last 14 sessions. 4,539 put and 606 call contracts by 09:32 ET on Oct 28, 2026. Tracked: up to 40 strikes around the money across 34 expirations.
CCalls606
PPuts4,539
contracts
Evidence
The numbers behind this snapshot, Oct 28, 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)
606
PPut volume (contracts)
4,539
CCall open interest, prior settlement
8,680
PPut open interest, prior settlement
21,740
CCall premium, est. (USD)
$294K
PPut premium, est. (USD)
$1.8M
Put/call volume ratio
7.5x
Days to expiry
7
Why it fired
Rule
put/call volume >= max(1.5, 1.75 x baseline median); put volume >= 2000
Values that cleared it
Put volume (contracts): 4,539; Ratio: 7.49
Contracts traded behind each figure
Calls: 20; Puts: 22
Baseline
median put/call volume ratio, contracts 1 to 3 weeks out: 1.345
Baseline window
last 20 sessions
Baseline n
14
Claim level
2, compared with a baseline
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.
The median is SPY's call/put volume ratio for contracts within a week over the last 14 sessions. 4,819 call and 3,017 put contracts by 09:57 ET on Oct 28, 2026. Tracked: up to 40 strikes around the money across 34 expirations.
SPY puts expiring that date in the strikes we track traded 1.1x their open interest, by 09:42 ET on Oct 28, 2026. Tracked: up to 40 strikes around the money across 34 expirations.