A practical checklist for navigating expiries

Map the gamma bands: Track where the street turns from negative to positive gamma. If the flip sits below max pain, expect less pinning power at higher strikes.
Weight the OI quality, not just quantity: Deep OTM options expiring worthless do little to shape last‑day hedging flows.
Monitor spot proxies: ETF net flows, basis on major perps, and L2 order‑book depth can front‑run whether hedging or spot is in charge.
Use structures that accept path risk: Spreads, butterflies, and calendars can be preferable to naked direction into a negative‑gamma expiry.
Stagger entries and exits: Liquidity can vanish around the fix; avoid single‑print execution if you can phase orders.
Plan for post‑expiry unwind: Moves often extend after the cut as hedges come off; do not assume mean‑reversion right at the bell.
Pro tip: If you must lean on max pain, set alerts at both the flip band and the dominant strikes; let flow confirm before sizing.

Deribit open-interest-by-strike chart for the June 26 expiry (calls in blue, puts in yellow) with the max‑pain marker at $74,000 — shows where notional concentration and strike ‘magnets’ sit going into expiry. — Source: CoinDesk
Frequent misreads that trip up options watchers
Treating max pain as a target price. It’s a payoff minimizer, not a forecast.
Ignoring the sign of dealer gamma. Short‑gamma regimes trade differently than long‑gamma ones.
Assuming OI equals impact. Ten thousand deep OTM calls are not the same as tight‑delta front‑month strikes.
Overlooking spot catalysts. ETF flows, macro prints, and cross‑asset liquidity often outrank options on settlement day.
Forcing a narrative. If price refuses to migrate toward max pain ahead of expiry, respect what the tape is saying.
Quarter‑end expiries are about flow, not folklore. When in doubt, follow the hedging footprints and the spot tape.#Get2SharesOfSKHynixAtZeroCost @Alek_Carter