MEX · Mock Event Exchange

Ticker

Description

Bid Qty

Bid

Ask

Ask Qty

Last

Volume

Change

Settle

Action

Prices in ¢ = implied probability. Each YES contract settles at $1.00 if the event resolves YES, $0.00 if NO. Sizes shown in contracts and $mm notional. Quotes update live.

Order ID

Ticker

Type / TIF

Side

Qty

Price / Trigger

Filled

Status

Action

Resting orders are matched against the live book every tick. Stop / stop-limit / trailing-stop orders trigger off the last price; pegged orders re-price to bid/mid/ask each tick; market/limit-on-close orders execute only in the closing auction. IOC/FOK execute (or cancel) on entry.

Time

Contract

Side

Price

Size

Notional

Type

Live tape of prints hitting the exchange across all participants. BLOCK = privately negotiated large trade (≥ $25mm notional); sweep = on-screen aggressor order. Your own fills are highlighted and tagged YOU.

Total Equity—

Unrealized P&L (MTM)—

Realized P&L—

Initial Margin—

Maintenance Margin—

Gross Notional—

Contract

Side

Qty

Notional

Avg ¢

Mark ¢

Unrealized P&L

Init Margin

Action

Positions are marked to market continuously at the live mid. Initial margin is held against each position's maximum loss.

DAILY MARGIN STATEMENT

Account — · As of —

Ticker

Position

Avg ¢

Mark ¢

Max Loss

Initial Mgn

Maint Mgn

Account Summary (algorithmic)

Margin algorithm
max_loss(long) = qty × avg ÷ 100
max_loss(short) = qty × (100 − avg) ÷ 100
IM = Σ max_loss × 40% · MM = Σ max_loss × 25%
equity = cash + Σ qty × (mark − avg) ÷ 100
excess = equity − MM → margin call if < 0

Appearance

Theme

Layout

Price-tick flash Highlight quotes on change

Profile

Account name

Trader / desk name

Account ID—

Trading defaults

Default order size

Default order type

Default time-in-force

Applied automatically when you open a new trade ticket.

Access & Login

AuthenticationHTTP Basic Auth (server-side)

The login prompt is enforced by server.py. To change the username or password, set MEX_USER / MEX_PASS when launching the server (or edit the CONFIG block). Credentials travel encrypted over the HTTPS tunnel.