Long-term returns remain almost identical whether an investor chooses a daily, weekly or monthly SIP, according to a 30-year analysis by WhiteOak Capital Mutual Fund. Investments made between August 1996 and June 2026 grew to ₹12.33 crore for daily (₹1,000) and weekly (₹6,997) SIPs, while a monthly SIP (₹30,384) grew to ₹12.45 crore. All three delivered an XIRR of 13.47%.