What's New: June 17, 2026
OI Change Bars on JGEX/JDEX Strikes — Each gamma and delta strike bar now shows two small segments visualizing how open interest has changed over time. You choose the lookback periods (defau...
Jed1 Quant Editorial
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1 min read
New
- OI Change Bars on JGEX/JDEX Strikes — Each gamma and delta strike bar now shows two small segments visualizing how open interest has changed over time. You choose the lookback periods (default: 1D, 5D) from the JGEX or JDEX popover settings, with labels like "1D" and "5D" displayed alongside each segment. Solid bars mean OI went up, hollow outlines mean OI went down, and a flat line means there isn't enough history yet. Segments are drawn in a soft white shade and refresh once daily with the official OI snapshot. Your period choices save across reloads. With history enabled on JGEX/JDEX, hovering the crosshair over past candles shows OI changes as of that moment, not just today's values.