consolidated tape
Consolidated Tape is the combined live record of trades and prices from every exchange a stock trades on, giving one true consider instead of scattered pieces.
In plain English
Two market women sell tomatoes at Mile 12, and if you only ask one of them the price, you might walk away thinking tomatoes are expensive that week, when the woman two stalls down is selling the same basket for less.
Now compare that to a big supermarket chain that posts one price list at the entrance, pulled together from what every branch in Lagos, Abuja and Port Harcourt is charging, so you see the full consider in one glance without running from branch to branch.
The Consolidated Tape works like that supermarket price list. A share like that of Dangote Cement or, if you are watching the London market, a share like Unilever plc, can trade on more than one exchange or trading venue at the same time.
Without a consolidated tape, an investor watching only one venue might see a price that looks like the whole story but is really just one woman's stall. The tape gathers the trades and quotes from all the venues and stitches them into a single feed, so brokers, fund managers and everyday investors see the real, complete consider of what a share is doing at that moment.
For someone in Manchester managing a small portfolio through an app, or a Nigerian trader watching NGX listed stocks through a brokerage terminal, this consolidated feed is what makes the price on the screen trustworthy rather than a guess based on one corner of the market.
Say a stock trades on both the main exchange and a smaller alternative venue. The main exchange shows the last trade at ₦82.50, while the alternative venue shows ₦82.35. The Consolidated Tape reports both trades in the order they happened, so anyone watching sees the true range of prices and volume across the whole market, more than one slice of it.
Questions people ask
Is the Consolidated Tape the same as a stock ticker?
Not quite. A ticker on a screen might show you one stream of prices, but the Consolidated Tape is the underlying combined record from all trading venues that feeds accurate tickers, charts and reports.
Does Nigeria's NGX have a consolidated tape?
The NGX runs as a single exchange for most listed shares, so the need for combining multiple venues is smaller than in markets like the United States or the United Kingdom, where the same stock can trade on several competing venues.
Why should an everyday investor care about this?
Because it affects whether the price you see before you buy or sell is the full, honest consider or just a partial one, and that matters whether you are buying shares worth ₦50,000 or ₦5,000,000.
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