date,expiry,index_frozen,bars_1515_1529,flat_repeat_%_1515_1529,zero_vol_%,median_vol,flat_repeat_%_1445_1514,median_vol_1445_1514
2026-09-02,2026-09-08,True,240,0.0,0.0,207935.0,0.0,248462.5
2026-09-07,2026-09-08,True,240,0.0,0.0,910617.5,0.0,678990.0
2026-09-08,2026-09-08,True,240,0.0,0.0,6755320.0,0.0,1876030.0
2026-09-03,2026-09-08,True,240,0.0,0.0,227207.5,0.0,199420.0
2026-09-04,2026-09-08,True,240,0.0,0.0,611877.5,0.0,398905.0
2026-09-23,2026-09-29,True,240,0.0,0.0,179042.5,0.0,223665.0
2026-09-28,2026-09-29,True,240,0.0,0.0,565402.5,0.0,672392.5
2026-09-24,2026-09-29,True,240,0.0,0.0,145665.0,0.0,184340.0
2026-09-25,2026-09-29,True,240,0.0,0.0,414375.0,0.0,443527.5
2026-09-29,2026-09-29,True,240,0.0,0.0,3488290.0,0.0,2606727.5
2026-08-19,2026-08-25,True,240,0.0,0.0,146575.0,0.0,161005.0
2026-08-20,2026-08-25,True,240,0.0,0.0,151515.0,0.0,119860.0
2026-08-21,2026-08-25,True,240,0.0,0.0,240240.0,0.0,222202.5
2026-08-24,2026-08-25,True,240,0.0,0.0,517985.0,0.0,477425.0