Filing Flows

Filing Flows › Comparisons › OPY vs MIAX

Oppenheimer Holdings vs Miami International Holdings: OPY and MIAX compared

Oppenheimer Holdings is the larger company: $382M of revenue in its latest quarter (Q3 2026) against $376M for Miami International Holdings (Q3 2026). Miami International Holdings is growing faster (+11% against -10% a year earlier). Miami International Holdings is more profitable, with an operating margin of 12.5% against 2.3%.

Oppenheimer Holdings vs Miami International Holdings, latest quarterOppenheimer Holdings vs Miami International Holdings, latest quarterOppenheimer Holdings (OPY)Miami International Holdings (MIAX)Revenue$382M$376MRevenue growth, Y/Y-10%+11%Operating margin2.3%12.5%Net margin1.4%13.9%Free cash flow$129M$21.6M

Where the money goes: OPY and MIAX

Oppenheimer Holdings (OPY) · Q3 2026

Oppenheimer Holdings, Q3 2026: revenue $382M (-10% year over year), operating margin 2.3%, net earnings $5.4M, operating cash flow $132M. The chart follows the revenue to costs, profit and cash.

Miami International Holdings (MIAX) · Q3 2026

Miami International Holdings, Q3 2026: revenue $376M (+11% year over year), operating margin 12.5%, net earnings $52.5M, operating cash flow $23.1M. The chart follows the revenue to costs, profit and cash.

Oppenheimer Holdings revenue by segment, Q3 2026Oppenheimer Holdings revenue by segment, Q3 2026Advisory Fees$155MCommissions from sales and trading$107MOther revenues$45.6MBank Deposit Sweep Income$25.6M
Miami International Holdings revenue by segment, Q3 2026Miami International Holdings revenue by segment, Q3 2026Transaction and clearing fees$316MAccess fees$36.9MMarket data fees$13.9MOther revenue$8.9M
Oppenheimer Holdings (OPY)Miami International Holdings (MIAX)
Latest quarterQ3 2026Q3 2026
Revenue$382M$376M
Revenue growth, Y/Y-10%+11%
Gross margin—34.8%
Operating margin2.3%12.5%
Net earnings$5.4M$52.5M
Net margin1.4%13.9%
Operating cash flow$132M$23.1M
Free cash flow$129M$21.6M
Market value$1.1B$3.8B
P/E12.2×11.8×
Analysts’ mean target—$44.80

Where the revenue comes from

Oppenheimer Holdings

Miami International Holdings

Questions

Which is bigger, Oppenheimer Holdings or Miami International Holdings?

Oppenheimer Holdings is the larger company: $382M of revenue in its latest quarter (Q3 2026) against $376M for Miami International Holdings (Q3 2026).

Is Oppenheimer Holdings or Miami International Holdings growing faster?

Miami International Holdings is growing faster (+11% against -10% a year earlier).

Which is more profitable, Oppenheimer Holdings or Miami International Holdings?

Miami International Holdings is more profitable, with an operating margin of 12.5% against 2.3%.

More: Oppenheimer Holdings earnings · how Oppenheimer Holdings makes money · Miami International Holdings earnings · how Miami International Holdings makes money

From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Oct 30, 2026; 10-Q filed Nov 2, 2026). Fiscal quarters can end on different dates. Not investment advice.