OTC Markets and the Tiers Beneath the Exchanges
Thousands of securities trade without an exchange listing, under tiers that differ enormously in how much a buyer is entitled to know.
MadStockAlerts Research · Updated August 28, 2026
What to take away
- OTC market securities trade through dealer networks, not on a listed exchange.
- The tiers differ mainly in disclosure obligation, from current reporting to none at all.
- Spreads are wide, depth is thin, and the visible price can be stale.
- Many OTC issuers are not SEC reporting companies, so the usual filings simply do not exist.
- Technical analysis assumes a continuous price series that much of this market does not have.
- Some entirely ordinary securities trade over the counter for structural reasons, and the venue's caveats still apply to all of them.
MAD Academy Training Video · 0:45
Below the Exchanges, Fewer Rules
OTC tiers differ in exactly one thing that matters: how much a company is required to tell you before you can buy it.
This lesson is part of a Stock Alerts + Tools plan.
What over-the-counter means
An exchange listing carries requirements: minimum share price, minimum market value, governance standards and continuing disclosure. A company that cannot or will not meet them can still have its shares quoted, through dealers, over the counter.
The securities here range from perfectly ordinary foreign companies whose primary listing is abroad, through former exchange-listed companies that were delisted, to shells with no operations whatsoever. The label describes where something trades, not what it is worth.
The tiers
| Tier | Disclosure | What that implies |
|---|---|---|
| OTCQX | Current, audited, plus eligibility standards | The most stringent tier; no shells permitted |
| OTCQB | Current reporting, annual verification, minimum bid price | A venture tier for developing companies |
| Pink - Current | Current information published | Information exists; the standards are lighter |
| Pink - Limited or No Information | Sparse or none | A buyer may have no reliable current information at all |
| Expert Market | Not publicly quoted | Visible only to certain participants; effectively unpriced for most |
The tier is published alongside the quote and is the first thing worth checking. It is a direct statement about how much a buyer is entitled to know, which is a different and more useful question than what the chart looks like.
Why the structure matters more than the chart
Technical analysis assumes the price series reflects genuine, continuous two-sided interest. In a security that trades a few thousand dollars a day, a single print becomes the close, price gaps appear because nobody transacted rather than because anything happened, and patterns form out of noise.
The bid-ask spread compounds it. A quote several percent wide means a round trip costs more than most strategies expect to make, and the displayed price may be a quote nobody has traded against for hours.
The absence of an SEC reporting obligation is the structural point. For a large part of this market there is no 10-K, no 10-Q and no 8-K, so the entire filings-based approach to research has nothing to read. That is not a gap in the research; it is a gap in what exists.
Scroll the chart sideways to see all of it.
The legitimate half
It is worth being clear that plenty of the OTC market is unremarkable. Large foreign companies with a primary listing on their home exchange are frequently quoted here as unsponsored depositary receipts, and they file full accounts in their own jurisdiction.
The distinction that matters is not exchange-listed against OTC; it is whether current, audited information exists and whether the security trades enough for its price to mean anything. Both questions are answerable in a minute, and both are answered before any chart is worth opening.
Deep Dive carries the OTC half of the universe as its own card, and Deep Dive 2 turns it into a screener with tier and disclosure status attached.
OTC universe — for membersWhat listing standards actually require
The difference between an exchange-listed security and one quoted over the counter is a set of ongoing requirements. Those requirements are the substance of what listing means, and their absence is the substance of what it does not.
| Requirement | Major exchange | OTC |
|---|---|---|
| Minimum share price | Typically $1 or above, enforced | None |
| Minimum shareholders and float | Specified thresholds | None |
| Audited financial statements | Required, on a schedule | Varies by tier; not required on the lowest |
| Corporate governance rules | Independent directors, audit committee | None imposed by the venue |
| Delisting for non-compliance | Yes, with a defined process | Not applicable |
A security that moves from an exchange to the over-the-counter market has usually failed one of these, most often the price or the filing requirement. That transition is disclosed and is a change in the security's regulatory situation rather than only in where it trades.
The tier structure within the OTC market exists to restore some of this. The upper tiers impose information requirements approaching a listed company's; the lowest impose none, and the absence of a requirement to publish anything is the defining feature of that end.
Why some ordinary securities trade here
Not everything quoted over the counter is there because it failed. Several categories of entirely ordinary security trade this way for structural reasons, and treating the whole market as one thing misclassifies them.
- Large foreign companies whose primary listing is elsewhere and which have not registered a US listing.
- Banks and insurers, particularly community banks, whose shareholder base is local and which have no need for an exchange listing.
- Companies that deregistered voluntarily to avoid the cost of reporting, which is a legitimate decision with real consequences for holders.
- Securities of companies in reorganisation, which have moved off an exchange as part of the process.
The first category includes some of the largest companies in the world, whose ordinary shares trade over the counter in the US as unsponsored depositary receipts. The security is thin here and the underlying company is not, which is a very different situation from a shell.
The structural caveats still apply to all of them. Wide spreads, thin depth and limited information are properties of the venue rather than of the company, and they affect a position in a large foreign bank exactly as they affect anything else quoted there.