■ 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 — 21 — is the max pain price.
Open interest by strike · Fri, Oct 16
■ calls (up)■ puts (down)IMNM open contracts per strike for Fri, Oct 16.
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 16
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Fri, Oct 16
— call IV— put IVATM ≈ 68.1% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Fri, Oct 16
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 16
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.88
-0.01
18
0.0188
0.02
-0.01
-0.11
0.84
-0.01
20
0.0261
0.03
-0.02
-0.16
0.81
-0.02
21
0.0303
0.03
-0.02
-0.19
0.77
-0.02
22
0.0346
0.03
-0.02
-0.23
0.73
-0.02
23
0.0388
0.04
-0.02
-0.27
0.69
-0.02
24
0.0426
0.04
-0.02
-0.31
0.64
-0.02
25
0.0458
0.04
-0.02
-0.36
0.59
-0.02
26
0.0482
0.04
-0.02
-0.41
0.54
-0.02
27
0.0497
0.04
-0.02
-0.46
0.49
-0.02
28
0.0501
0.04
-0.02
-0.51
0.45
-0.02
29
0.0497
0.04
-0.02
-0.56
0.40
-0.02
30
0.0485
0.04
-0.02
-0.60
0.36
-0.02
31
0.0467
0.04
-0.02
-0.64
0.33
-0.02
32
0.0446
0.04
-0.02
-0.68
0.29
-0.02
33
0.0422
0.04
-0.02
-0.71
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 15 strikes around the money — all 20 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.