date,close,pct_change
2026-03-25,4537.466,
2026-03-26,4477.534,-1.320825324090602
2026-03-27,4502.57,0.5591470662199338
2026-03-30,4491.95,-0.2358652947094586
2026-03-31,4450.049,-0.9328020124890091