Event risk before this expiration:Jobs report Fri, Oct 2 — macro releases historically overwhelm pinning effects; max pain reads weakest in event weeks.
■ put-side pain■ call-side painTotal payout option writers would owe at each settle price (both sides, all open interest, ×100 shares) — low settles hurt put writers, high settles hurt call writers. The minimum — 17.5 — is the max pain price.
Open interest by strike · Fri, Oct 9
■ calls (up)■ puts (down)XE open contracts per strike for Fri, Oct 9.
Open-interest change — building vs unwinding
Needs two observed snapshot days for this expiration — the comparison appears automatically once the next weekday snapshot lands. We diff real observations only; nothing is estimated.
Volume by strike · Fri, Oct 9
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Fri, Oct 9
— call IV— put IVATM ≈ 79.9% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Fri, Oct 9
Net dealer gamma per strike, in dollars per 1% move, assuming the standard convention (dealers long calls, short puts) — an assumption, not an observation. Above the amber flip level hedging tends to dampen moves; below it, to amplify them.
Greeks by strike · Fri, Oct 9
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.94
-0.01
12
0.0338
0.00
-0.01
-0.06
0.90
-0.01
13
0.0547
0.01
-0.02
-0.10
0.83
-0.02
14
0.0837
0.01
-0.02
-0.17
0.72
-0.03
15
0.1150
0.01
-0.03
-0.28
0.66
-0.03
15.5
0.1272
0.01
-0.03
-0.34
0.59
-0.03
16
0.1349
0.01
-0.03
-0.41
0.52
-0.03
16.5
0.1374
0.01
-0.03
-0.48
0.46
-0.03
17
0.1351
0.01
-0.03
-0.54
0.40
-0.03
17.5
0.1290
0.01
-0.03
-0.60
0.34
-0.03
18
0.1206
0.01
-0.03
-0.66
0.30
-0.03
18.5
0.1109
0.01
-0.03
-0.70
0.26
-0.03
19
0.1009
0.01
-0.03
-0.74
0.22
-0.03
19.5
0.0911
0.01
-0.03
-0.78
0.19
-0.03
20
0.0819
0.01
-0.03
-0.81
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 14 strikes around the money — all 22 are in the CSV. Δ per $1 of underlying · Θ per day · vega per IV point.
Stacked — layer the expirations
Call open interest per strike, stacked across the checked expirations — each color is one expiry. Strikes are pruned to the liquid center of each chain.
Max pain is arithmetic, not prophecy: the settle price that would minimize what option writers pay out at expiration, computed from open interest alone. Prices sometimes gravitate toward heavy strikes into expiry — dealer hedging is a real flow — but the evidence that max pain predicts settlement better than chance is mixed, and we are not going to pretend otherwise. Use it as a map of where positioning is stacked, next to the fundamentals and the earnings calendar, not as a target.
Data: Cboe delayed public feed (~15 minutes), refreshed here about every 15 minutes. Open interest itself updates once daily, before the open. Educational information, not investment advice.