In Q1'26, Realty Income Corp's (O) operating cash flow stands at no data, while free cash flow also shows no data, indicating a lack of reported figures for this period following the strong performance in Q4'25. Over the period from Q2'23 to Q4'25, operating cash flow exhibited overall growth with some volatility, rising from $735M in Q2'23 to a peak of $1.20B in Q4'25, including notable increases in Q2'24 ($981M) and Q2'25 ($1.06B) that reflect improved operational efficiency. In contrast, free cash flow was more erratic, starting negative at -$2.26B in Q2'23, turning positive in Q1'24 ($329M) and peaking at $688M in Q2'24, but fluctuating with negatives like -$577M in Q4'24 and -$88M in Q4'25, underscoring the impact of capital expenditures on cash availability despite underlying operating strength.