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Reading a low-IV name with the OptionBench IV Scanner: TLT today Every morning OptionBench flags the highest and lowest average IV Rank among the tickers we scan — not the whole market, just our watchlist. This morning (Monday, June 22), TLT came up as the lowest: an average IV Rank of 0, with 30-day IV at 8.8%. At the other end, TSM topped the list around 50.8% — the scan surfaces both extremes, so on any given day you can see which names are sitting at the cheap end of their own vol range and which are at the rich end. Here I'll walk through the low end. A low IV Rank on its own isn't a signal — it just says "this name's implied vol is near the bottom of its own recent range." It's easy to glance at a low rank and reach for a reflexive conclusion ("vol is cheap, buy premium" or "nothing to do here"), but the rank alone doesn't tell you whether that low IV is actually cheap relative to how the stock tends to move. That's the gap the scanner is built to close: it tells you what that low IV has historically meant for TLT's actual movement. That's the piece I want to show. What the IV is actually pricing Here's the line that I think earns its keep. Pulling three years of TLT history, the scanner compares what IV priced (the 1-sigma implied move) against what the stock actually did: Over 45 trading days, IV priced 68% more move than realized (median ±6.4% implied vs ±3.82% realized, 756 observations). Right now, IV is pricing a ±4.34% move — in the cheapest 2% of the last three years, 14% above what this name typically realizes. When IV priced a move like today, TLT historically realized ~±2.05% (median, n=128 comparable days). So instead of "IV is low," you get "IV is in the cheapest 2% of its three-year range, and historically when it was priced this way, TLT moved about ±2% — meaning even this cheap IV has tended to overstate the realized move." That's a far more actionable read, and it's grounded in this ticker's own history rather than a generic rule of thumb. The supporting context The scanner rounds it out with a few descriptive reads, each measured against TLT's own 12-month history rather than absolute thresholds: Mean reversion: IV is currently below its 12-month median — historically the lower-premium regime for this name. Volatility premium: IV 30D 8.8% vs HV20 7.3% is a 1.2× ratio, sitting at the 35th percentile of its own range. IV carries its usual premium to realized vol here — nothing unusual, no strong edge from IV/HV alone. I want to be clear about what this is and isn't. None of it is a forecast. IV can stay compressed for weeks, and "cheapest 2% of three years" is a description of where we are, not a prediction of where we're going. What the scanner gives you is context: a precise, ticker-specific picture of how today's implied vol compares to this name's own behavior, so you can decide whether a setup makes sense for your thesis. In practice, that's how I'd use a read like this — not as a trigger, but as a starting filter. A name showing cheap IV that has also tended to underdeliver on realized move is a different proposition from one that's cheap but has a history of surprising to the upside. The scanner won't make the call for you, but it puts the relevant history in front of you in a few seconds instead of an afternoon of spreadsheet work. Try it From the daily "Today" view, the lowest-IV-Rank badge links straight to the TLT scanner page — one click and you're looking at everything above. If you're in the beta and want to poke at it, this is one of the tools I'd love feedback on. EXAMPLE-IV-TLT.mp4