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Orderly
Front month not unusually inflated
- Signal
- 30d IV < 90d IV
- Meaning
- Front month is not unusually inflated relative to longer-dated tenors.
- Pricing
- Front-month IV inputs are close to baseline relative to back-month tenors.
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TLT 30d IV is 9.9% vs 90d IV 11% — front-vs-back-month curve shape.
iShares 20+ Year Treasury Bond ETF — 30d vs 90d slope, IV curve, and earnings-driven backwardation
iShares 20+ Year Treasury Bond ETF (TLT) operates in the ETF - Bond sector and has actively traded listed options. The 30-day IV reads 9.9% versus 90-day IV at 11.0%, a 30D-vs-90D slope of -1.1pp. The curve is currently in contango (back-month IV above front-month IV), which describes how implied volatility distributes across expirations rather than the absolute level on any single tenor. TLT expected move.
TLT term structure is in contango — 30d IV (9.9%) sits below 90d IV (11.0%); the model reads the curve as orderly with no front-month event premium.
The IV term structure shows how option pricing varies across maturities. When the front month is priced richer than 90D IV (backwardation), short-dated options carry richer IV inputs than longer-dated options — useful for comparing expiration pricing, provided the inflation isn't tied to a known catalyst that compresses sharply.
The curve is not a direction predictor. It tells you whether the front month is rich, calm, or flat — interpreting that reading still requires VRP, IV Rank, and the event calendar.
See TLT's IV curve across 7 tenors, 30d vs 90d slope, and earnings-driven backwardation flag.
Term structure shows whether short-dated IV is inflated — or if the curve is calm enough for cleaner premium sales. TLT's 30d/90d slope updates daily.
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One question the curve answers: is the front month richer than the back, or is it pricing a known event? The curve shape changes how IV is distributed across expirations.
Term structure is one input, not a complete signal. Interpret it alongside other volatility, liquidity, and event-risk data. Not investment advice.
Term structure shows whether short-dated IV is elevated relative to longer-dated. Backwardation (front higher than back) often signals event/earnings risk. Contango (front lower than back) signals normal calm markets.
Backwardation marks the front-month as event-sensitive in the model; contango is a stable-regime context. Earnings proximity is a separate input.
spread % = (iv30d − iv90d) / iv90d × 100. Buckets (ratio iv30d/iv90d): Steep Contango (<0.90), Contango (0.90–0.98), Flat (0.98–1.02), Backwardation (1.02–1.10), Steep Backwardation (>1.10).ORATS smoothed-model IV at 7 tenors (10d, 20d, 30d, 60d, 90d, 6m, 1y) plus term_structure_slope, contango/backwardation_alert flags, and backwardation_is_earnings detection
ORATS institutional options data, updated daily after market close (~6:00 PM ET). Forward vol 30→60d computed from σ_fwd = √((T₂σ₂² − T₁σ₁²)/(T₂−T₁)).
Term structure measures the SHAPE of the IV curve, not direction. Earnings within 14 days inflate front-month IV without changing the underlying volatility regime — VolRadar surfaces an earnings-driven warning to prevent treating that elevated short-dated premium as stable seller edge. Wave 1 uses static thresholds; Wave 2 will calibrate per-ticker.
iShares 20+ Year Treasury Bond ETF's 30-day IV is 9.9% versus 90-day IV at 11.0%, a 30D-vs-90D slope of -1.1pp. The curve is currently pricing back-month IV above front-month IV, which describes how implied volatility distributes across expirations rather than the absolute level on any single tenor.
iShares 20+ Year Treasury Bond ETF's 90-day IV at 11.0% sits above the 30-day IV at 9.9%. Back-month options carry higher implied volatility than front-month options — the more typical curve shape for equity options outside of acute event windows. Longer-dated tenors price more uncertainty than the front month.
Calendar and diagonal structures derive their pricing from the IV difference between two expirations. With iShares 20+ Year Treasury Bond ETF's current curve, the back month is richer than the front, which is the IV setup long-calendar and long-diagonal structures typically prefer. See the strategy comparison view for how calendars and diagonals are priced under this curve.
iShares 20+ Year Treasury Bond ETF's curve is currently a contango curve — back-month IV above front-month IV. The 30-day IV is 9.9% versus the 90-day IV at 11.0%, a 30D-vs-90D slope of -1.1pp.
Contango — iShares 20+ Year Treasury Bond ETF's 90-day IV at 11.0% sits above the 30-day IV at 9.9%. This is the more typical curve shape for equity options outside concentrated event windows.
No — iShares 20+ Year Treasury Bond ETF's 30-day IV at 9.9% sits below the 90-day IV at 11.0%. Longer-dated options carry the higher IV, which is the more typical equity-options curve shape.
Calendar and diagonal pricing comes from the IV difference between two expirations. iShares 20+ Year Treasury Bond ETF's current curve supports the long-calendar setup, since the back month carries the higher IV that the long leg needs. The per-tenor IV table on this page shows the full distribution that drives this comparison.
Equity options usually carry mild contango — back-month IV slightly above front-month IV — outside of concentrated event windows. There is no single "correct" slope for iShares 20+ Year Treasury Bond ETF: a normal range is more reliably read from the per-tenor table on this page than from a fixed threshold. The curve view shows the recent envelope around which the current reading sits.
Quantitative screening, not investment advice. Verify with your broker. Disclaimer