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Southwest Airlines — Where open interest creates price support and resistance
Southwest Airlines (LUV) is a Industrials stock with actively traded listed options. Open interest concentrates at the $35 put wall (20.3K contracts) and $43 call wall (23.3K contracts) — 8.1% below and 11.6% above spot. Dealer hedging at these levels amplifies moves rather than containing them — wall boundaries are less reliable. Wider spreads or defined-risk setups may be more appropriate in this gamma regime. See Strategy Builder for trade setups.
Where options dealers' hedging flows create support and resistance — max pain at $40.
These levels show where price may find support or resistance based on open interest positioning. Large put walls can act as magnets; call walls can cap upside.
Use wall levels to pick strikes — sell puts near put walls, sell calls near call walls.
Wall = Strike with highest open interest concentration across expirationsOpen interest by strike, gamma exposure (GEX) profile, max pain calculation
ORATS open interest and gamma data, updated daily
Walls are based on current OI positioning and can shift as traders open/close positions. GEX assumes most OI is dealer-held — retail-heavy OI produces less hedging flow. Treat as context, not prediction.
Walls from nearest liquid expiry — these reflect short-term hedging activity and may not represent longer-term positioning.
OI change tracker (1-day), wall strength score, and GEX trend chart — in active development.
This data is free for all users. No paywall — just not built yet.
Quantitative screening, not investment advice. Verify with your broker. Disclaimer
Southwest Airlines's options open interest is evenly distributed between put support at $35 (20.3K contracts) and call resistance at $42.5 (23.3K). This balanced positioning typically signals that the options market is not expecting a strong directional move — dealers are hedging symmetrically. For premium sellers, balanced walls are a neutral-to-positive signal: iron condors and strangles can use both walls as natural boundaries, while credit spreads work equally well on either side.
Southwest Airlines's current options landscape shows put support concentrated at $35 (20.3K contracts) with call resistance at $42.5 (23.3K). This creates a $35–$42.5 trading corridor that dealer hedging activity naturally reinforces. Compare this wall-to-wall range with the Expected Move to see how volatility-based ranges align with open interest boundaries.
Southwest Airlines's gamma exposure has turned negative (0.0B), indicating that dealer hedging is now amplifying price moves rather than dampening them. When GEX is negative, dealers must sell into declines and buy into rallies — the opposite of the supportive mean-reverting flow that premium sellers prefer. The GEX flip point at $38.50 is the level where this regime would reverse. Until price reclaims that level, premium sellers should use defined-risk strategies (credit spreads over naked positions) and consider reducing position sizes to account for the elevated move amplification.
Southwest Airlines's options-defined support sits at the $35 put wall (20.3K OI), and resistance at the $42.5 call wall (23.3K OI). The full range is $35–$42.5, defined by the strikes where dealer hedging is concentrated.
Southwest Airlines's strongest put wall (support) is at $35 with 20.3K open interest contracts, and the primary call wall (resistance) is at $42.5 with 23.3K contracts. This creates a trading range of $35–$42.5. Open interest is relatively balanced between puts and calls, creating symmetric dealer hedging pressure.
Open interest walls represent concentrations of options positions at specific strikes. When dealers hold these positions, they must hedge by buying or selling shares as price approaches wall levels, creating natural support (put walls) and resistance (call walls). Southwest Airlines's gamma exposure is currently negative, which means dealer hedging can actually amplify moves through wall levels rather than defending them. In negative GEX environments, walls are less reliable as support/resistance, so premium sellers should use defined-risk strategies.
Southwest Airlines's net gamma exposure is 0.0B, meaning dealers are net short gamma and must hedge in the same direction as price movement — selling into declines and buying into rallies. This amplifies volatility rather than dampening it. The GEX flip point at $38.50 is where this dynamic reverses. Negative GEX environments typically produce larger daily moves, which is unfavorable for premium sellers. Consider using credit spreads instead of naked positions, or wait for GEX to turn positive before adding new short premium exposure.
Southwest Airlines's $35–$42.5 range spans 19.7%, wider than average. This spread suggests open interest is distributed across distant strikes, which can mean the market is pricing in a larger potential move — possibly around an upcoming catalyst like earnings or an industry event. For premium sellers, wider ranges mean wall support and resistance are farther from current price, providing more breathing room but also less concentrated dealer hedging at any single level.
With earnings approximately 10 days away, Southwest Airlines's current wall structure should be interpreted with caution. Earnings gap moves routinely exceed the wall-to-wall range — the $35–$42.5 corridor is based on current open interest, which will shift dramatically around the announcement as traders close pre-earnings hedges and new post-earnings positions are established. Premium sellers carrying positions into the earnings event should assume the walls may not hold and size accordingly.
With negative gamma exposure, favor defined-risk credit spreads over naked positions — place short strikes at wall levels but use wings to cap risk in case walls break. Wall data is most useful for strike selection — placing short strikes at or outside major open interest levels means your trade has dealer hedging flows working in your favor. Monitor daily for wall migration as open interest shifts.