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MIOhistorical intraday data

DelistedPioneer Municipal High Income Opportunities Fund, Inc.NYSE

Pioneer Municipal High Income Opportunities Fund, Inc. (MIO) is a fund. It was delisted on August 25, 2025 from NYSE. Its last trading day on file was August 22, 2025. MIO has 1,016 trading days on file, from August 6, 2021 to August 22, 2025, with 237,828 trades. There are 55,464 1-minute bars on file.

On file

First day
2021-08-06
Last day
2025-08-22
Trading days
1,016
Trades
237,828
1-minute bars
55,464
Bars, about
869 KB
Trades, about
3.2 MB
Quotes, about
7.7 MB

Sizes are approximate: this ticker’s share of the Parquet files.

Trading history

Trades per calendar year. Busiest year: 2022, with 82,972 trades over 251 trading days.

Symbols get reused, so the history under MIO is not always one company.

MIO by year

YearTrading days on fileTrades
202110325,139
202225182,972
202325056,455
202425240,083
202516033,179