date,expiry,underlying,atm,atm_iv_near,atm_iv_oct27,synthetic_fwd,pcr_near,pcr_all,max_ce_oi_strike,max_ce_oi_lots,max_pe_oi_strike,max_pe_oi_lots,top_ce_add,top_ce_add_lots,top_pe_add,top_pe_add_lots,ce_oi_chg_lots,pe_oi_chg_lots
2026-10-12,2026-10-13,22363.35,22350.0,16.138633292837344,14.447855978284082,22330.2,0.5911016182621822,0.7270368612499439,22600.0,272030.0,22000.0,198067.0,22600.0,158441.0,21900.0,30079.0,1474039.0,-848892.0
2026-10-13,2026-10-19,22721.95,22700.0,12.945631448868838,12.99018995379063,22802.15,1.389251581413903,1.269297930283058,23000.0,97042.0,22500.0,115089.0,23000.0,38148.0,22500.0,92151.0,406306.0,1005252.0
2026-10-14,2026-10-19,22622.7,22600.0,13.063102252958315,13.319215604722945,22612.45,0.8554727907971866,0.906334407511002,23000.0,173840.0,22000.0,115380.0,24000.0,79934.0,20100.0,43298.0,973145.0,195575.0
2026-10-15,2026-10-19,22997.35,23000.0,11.81312481218852,12.125220039871962,22946.050000000003,1.66233937926583,1.3662267765652434,24000.0,153607.0,22500.0,199031.0,23300.0,38452.0,22900.0,113988.0,-237536.0,1353115.0
2026-10-16,2026-10-19,23146.15,23150.0,10.812206849875878,11.961045272076722,23104.25,1.3239037528615647,1.2118363894372755,24000.0,217028.0,22000.0,281076.0,24500.0,110299.0,23100.0,121161.0,810478.0,420205.0
2026-10-19,2026-10-27,22888.95,22900.0,12.612311092437606,12.612311092437606,22897.25,0.8761856463751981,0.8624025736700297,24000.0,213284.0,22500.0,122798.0,24000.0,84772.0,21000.0,39485.0,812908.0,425269.0
2026-10-21,2026-10-27,22811.35,22800.0,14.160106317340842,14.160106317340842,22740.0,0.6999204118596544,0.7783496304742388,23000.0,250604.0,22000.0,148913.0,23000.0,101653.0,20050.0,52883.0,1380373.0,570960.0
2026-10-22,2026-10-27,22687.65,22700.0,14.150751202888049,14.150751202888049,22710.25,0.8209581461797785,0.8778161411744738,24000.0,282795.0,22000.0,188564.0,24000.0,66424.0,21500.0,62459.0,-40002.0,405607.0
2026-10-23,2026-10-27,22600.0,22600.0,14.539421975884814,14.539421975884814,22573.7,0.7374252758088585,0.8142007178814835,24000.0,300789.0,21500.0,208331.0,22500.0,84279.0,22500.0,43105.0,510655.0,77322.0