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iShares 20+ Year Treasury Bond ETF — Where open interest creates price support and resistance
iShares 20+ Year Treasury Bond ETF (TLT) operates in the ETF - Bond sector and has actively traded listed options. Open interest concentrates at the $86 put wall (146.4K contracts) and $90 call wall (180.7K contracts) — 0.8% below and 3.8% above spot. Dealer hedging flows at these levels tend to dampen directional moves, reinforcing the wall corridor. This setup is more supportive of premium selling inside the wall range. See Strategy Builder for trade setups.
Where options dealers' hedging flows create support and resistance — max pain at $87.
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
iShares 20+ Year Treasury Bond ETF is trading within a well-defined options corridor. Put-side open interest has concentrated heavily at the $86 strike with 146.4K contracts, forming one of the strongest support zones in the current expiration cycle. On the upside, call open interest at $90 (180.7K contracts) represents significant overhead resistance. When both put and call walls are this defined, dealer hedging flows create a natural pinning effect — prices tend to oscillate within the range rather than break through, making this an environment where range-bound premium selling strategies like iron condors can thrive.
iShares 20+ Year Treasury Bond ETF's current options landscape shows put support concentrated at $86 (146.4K contracts) with call resistance at $90 (180.7K). This creates a $86–$90 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.
iShares 20+ Year Treasury Bond ETF's net gamma exposure is +31.8B (positive gamma regime), with the GEX flip point at $86.50. In a positive gamma environment, dealers are positioned so that they buy shares when price dips and sell when it rallies — effectively dampening volatility. This mean-reverting behavior is the best backdrop for premium selling: short strangles, iron condors, and credit spreads all benefit from the natural volatility compression that positive GEX creates. As long as price stays above the GEX flip point, this supportive environment tends to persist.
iShares 20+ Year Treasury Bond ETF's strongest put wall (support) is at $86 with 146.4K open interest contracts, and the primary call wall (resistance) is at $90 with 180.7K contracts. This creates a trading range of $86–$90. 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). iShares 20+ Year Treasury Bond ETF currently has positive gamma exposure, which means dealer hedging reinforces these wall levels — buying dips near put walls, selling rallies near call walls. This creates a mean-reverting, range-bound environment that benefits premium sellers.
iShares 20+ Year Treasury Bond ETF's primary put wall at $86 is being tested. With 146.4K contracts, this is a strong wall — historically, heavy put open interest at a single strike creates meaningful dealer buying pressure that often produces bounces. Positive gamma exposure reinforces this support level.
The $86–$90 range (4.6% wide) is narrower than typical, indicating open interest is concentrated close to the current price. Narrow ranges can mean the market expects relatively contained movement — potentially from low volatility expectations or heavy hedging around at-the-money strikes. For premium sellers, narrow ranges reduce the distance to wall support/resistance, but also compress the potential premium available. Iron condors in narrow ranges need tighter wings with correspondingly lower max loss.
iShares 20+ Year Treasury Bond ETF's max pain at $87 is very close to the current price of $86.73. Max pain represents the price at which option holders collectively lose the most money at expiration. When price gravitates toward max pain (especially in the final days before expiration), it suggests that the cumulative hedging activity of dealers is creating a "pinning" effect. For premium sellers, max pain alignment is bullish — it indicates suppressed realized volatility near expiration, which is exactly what short options profit from.
Use the put wall at $86 as support for put credit spreads and the call wall at $90 as a ceiling for call credit spreads. The wall-to-wall range defines your expected trading corridor. 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.