NOSTRADAMUS · Position Analytics Engine

SIMULATOR Will Alexandria Ocasio-Cortez be the Democratic Presidential nominee in 2028?

A live, interactive instrument for dissecting a single binary position. Sweep the inputs and watch every indicator recompute — payoff geometry, Kelly growth, Bayesian posterior, KL divergence, cost waterfall, Monte-Carlo equity fan, forecast calibration. Companion to the live /feed/kalshi-kxpresnomd-28-aoc page.

▲ YES EDGE · +0.007 · f★ 0.8% · deploy 0.4% · net -0.01pp

§1 · Position economics

Payoff diagram · binary contract P/L vs resolution
YES · Expected P/L per share +0.0074@ model P(YES) = 0.107
-1.00-0.50+0.00+0.50+1.000.000.200.400.600.801.00price 0.100model 0.107YES resolution priceP/L per $1 contract
P/L per sharemarket pricemodel Pprofit zoneloss zone
Profit is linear in the eventual settlement price.
Kelly growth curve · g(f) with f★ and deployed f markers
f★ = 0.82% · g(f★) = 0.029%deploy 0.41% · g = 0.022%
-2.09%-1.56%-1.03%-0.50%0.03%0%8%16%24%32%40%f★ optimumdeployfraction of bankroll fexpected log-growth g(f)
g(f)f★ optimumdeployed fgrowth zone
Underbet leaves growth on the table; overbet destroys capital. The interior maximum is f★.

§2 · The trade ticket

Trade ticket · dollar outcomes at this stake
YES @ 0.100 · EV +$8stake $102 · 0.41% of bankroll
Deployed stakestake
$102
0.41% of bankroll
Sharesunits
1,022
each pays $1 if YES
Max payoutwin
$1,022
gross, if win
Max profitwin
+$920
net of cost
Max losslose
-$102
binary settles to $0
Payout multiple×
×10.00
$1 → $10.00
Risk:RewardR:R
9.00 : 1
win $9.00 per $1
Expected P/LE[P/L]
+$8
probability-weighted
OutcomeP(model)P/LContribution
Resolves YES (win)10.7%+$920+$99
Resolves against (lose)89.3%-$102-$91
Expected value100.0%+$8
What you actually win and lose. The bottom table tabulates probability-weighted P/L by outcome.

§3 · Break-even & cushion

Break-even & cushion · margin of safety
Cushion +0.7 pprelative edge +7.4%
Required win ratebreak-even
10.0%
price = implied probability
Model win rateP(win)
10.7%
what you forecast
Cushionedge
+0.7 pp
margin of safety
Fair pricemodel
0.107
where you think it should trade
-60-3003060020406080100you @ 10.0%market price (%)cushion (pp)
The market price equals the win rate you must beat to make money.

§4 · Odds conversion

Implied probability, decimal, American, fractional
Implied probabilityP
10.0%
= price
Decimal oddsEU
10.000
total return per $1
AmericanUS
+900
$100 wins $900
FractionalUK
9.00 / 1
profit per $1 risked
Profit per $100stake
+$900.00
clean dollar framing
-1000-5000+500+1000020406080100you · 10.0%implied probability (%)American odds
underdog (+)favorite (-)your price
Five views of the same number.

§4b · Time & annualized return

Time & APR · capital lockup vs annualized return
APR 128% · APY 244%ROI 7.4% over 21d · 17.4 turns/yr
Time to resolvehorizon
21.0 d
504h capital lockup
Raw ROIper resolve
+7.4%
APR (simple)scaled
+128%
ROI × 365/days
APY (compounded)if redeployed
+244%
(1+ROI)^(365/d) − 1
Daily expectedper day
+0.34%
geometric, per day held
Capital turns/yrvelocity
×17.4
how often this slot recycles
0%220%440%660%880%1100%121416180100120now 21ddays to resolutionannualized return (capped 1000%)
simple APRcompounded APYyour horizon
Rank positions by APR, not raw ROI. A thin edge tomorrow beats a fat edge next year.

§5 · Costs & net edge

Cost waterfall · gross edge → net of friction
Net edge -0.01 pperosion 102% · break-even w/ fees 10.8%
-0.1pp0.1pp0.3pp0.6pp0.8pp1.0pp+0.74Gross edge-0.75- ½ spread+0.00- entry fee+0.00- exit fee-0.01Net edgeEV / share (pp)
gross edgefrictionnet edgefee 0 bps · spread 1.50¢
The number that decides whether to trade.

§6 · Sizing menu

Sizing menu · disciplined deployment
Full Kellyf★
$204
0.82% · g = 0.029%
Half Kelly½ f★
$102
0.41% · g = 0.022%
Quarter Kelly¼ f★
$51
0.20% · g = 0.013%
Flat 1%1%
$250
1.00% · g = 0.028%
Flat 2%2%
$500
2.00% · g = -0.026%
Flat 5%5%
$1,250
5.00% · g = -0.590%
Recommended¼ f★
$51
survives model error
$0$369$738$1,106$1,475$204Full Kelly0.82%$102Half Kelly0.41%$51Quarter Kelly0.20%$250Flat 1%1.00%$500Flat 2%2.00%$1,250Flat 5%5.00%
Quarter-Kelly is the industry default — survives model error far better than full Kelly.

§7 · Information theory

Binary entropy · uncertainty in bits
Market entropyH(p)
0.469 bit
max 1.0 at p = 0.5
Your entropyH(q)
0.492 bit
Δ +0.023 bit vs market
Surprise · YES−log₂ p
3.32 bit
self-information
Surprise · NO−log₂(1−p)
0.15 bit
self-information
0.000.260.530.791.050.00.20.40.60.81.0marketmodelprobabilityH (bits)
H(p) peaks at p = 0.5 (one bit of irreducible doubt).
KL divergence · upper bound on exploitable edge
NOISE · D_KL(q ‖ p) = 0.0003 nat (0.0004 bit)belief ≈ market — stand down
-0.010-0.0050.0000.0050.0100.0076YES branch-0.0073NO branchΣKL = 0.0003 natKL contribution (nat)
YES contributionNO contributionbelief ‖ marketnoise
Zero KL ⇒ you know nothing the crowd doesn't.

§8 · Bayesian inference

Bayesian posterior · prior + evidence → belief with 95% CI
MARKET PRICE INSIDE 95% CIposterior μ 0.107 · CI [0.02, 0.25] · κ 25.6
Posterior meanE[θ]
0.107
Beta(2.8, 22.9)
95% credible intervalHDI
[0.02, 0.25]
price INSIDE → weak edge
Concentrationκ
25.6
pseudo-obs behind belief
Disagreementvs crowd
+0.7 pp
posterior − price
0.000.200.400.600.801.00marketposterior μprobability θposterior density
market prior (dashed)model posterior95% credible bandmarket price
When the market price falls outside the 95% credible interval, your disagreement is statistically meaningful.

§9 · Tail risk · Monte-Carlo (mode A · single position to resolution)

Mark-to-market MC · single position held to resolution
E[P/L] +22.5% · P(YES) 12.3% · VaR₉₅ 100.0%400 paths · 504 bars to resolution
Expected P/Lper $1
+22.50%
P(YES) empiricalq
12.3%
Best pathmax
+900.0%
Worst pathmin
-100.0%
VaR 95%5%
100.0%
CVaR 95%ES
100.0%
25¢50¢75¢100¢084168252336420504entry 10.0¢model q 10.7¢bars until resolutionprice path
median path25/75 + 5/95 bandsentry pricemodel q
Logit-space mean-reverting walk + terminal flip with probability q. Answers: 'what happens to THIS one position'. Distinct from the repeated-edge fan below.

§9b · Tail risk · Monte-Carlo (mode B · repeated independent edges)

Monte-Carlo equity fan · this profile, repeated 400× independently
Median CAGR/bet 0.03% · ruin rate 0.0%400 paths × 120 bets · f deploy 0.50%
Sharpe / betμ/σ
0.021
μ 0.03% · σ 1.5%
Sortino / betμ/σ↓
0.065
downside-only denominator
VaR 95%5%
-0.5%
per-bet worst-case
CVaR 95%ES
-0.5%
mean tail loss
Max drawdownMDD
-5.5%
Calmar 0.01
Ruin rate≤50%
0.0%
P(equity ever ≤ 50%)
0.73×0.88×1.02×1.16×1.30×1.44×020406080100120startruin 50%bet #bankroll multiple
median25/75 band5/95 bandruin line
Answers a different question: 'if I could find this exact edge forever, what is the bankroll trajectory'. Compounds 120 sequential resolutions which is NOT what happens to a single position.

§10 · Base-rate & macro context

Probability stack · base rate vs crowd vs model
ANCHORED · supported by convictionanchor gap -45.9pp · crowd gap -46.6pp
0%20%40%60%80%100%Reference base rate56.6%Market price10.0%Model P(YES)10.7%
Anchor gapmodel − base
-45.9 pp
Crowd gapprice − base
-46.6 pp
Verdictdiscipline
ANCHORED
Reference-class anchoring prevents narrative-driven blowups.

§11 · Forecast quality (synthetic ledger)

Brier · Murphy decomposition · reliability · ROC
SKILL POSITIVE · in-sample BSS 17.9% · AUC 0.757out-of-sample BSS (5-fold) 18.0% ± 3.6% · Brier 0.2051 · log-loss 0.6080 · n 1600n = 1600
BrierBS
0.2051
lower = better · ō 0.51
BSSvs base
17.9%
improvement over base rate
ReliabilityREL
0.0055
miscalibration · want ↓
ResolutionRES
0.0498
decisiveness · want ↑
Log lossLL
0.6080
cross-entropy
AUCROC
0.757
0.5 coin · 1.0 oracle
0.00.20.40.60.81.00.00.20.40.60.81.0stated probability fobserved frequency ō0.00.20.40.60.81.00.00.20.40.60.81.0AUC = 0.757false positive ratetrue positive rate0.0000.0750.1500.2250.3000.250UNC0.050RES0.005REL0.205BRIERcontribution
calibration curveROCUNC (irreducible)RES (skill, ↑)REL (miscalib, ↓)
Computed on a seeded synthetic forecast ledger. Reseed (⟳) to redraw.

§12 · Journal vitals (synthetic ledger)

Track record · win rate · PF · expectancy · CLV · equity curve
PROFITABLE · PF 1.10 · expectancy +0.051R180 trades · win 51.1% · Sharpe 0.045
Total P/Lnet
+$2,291
on $45,000 cycled
Win ratehit %
51.1%
92 W / 88 L
Profit factorPF
1.10
$ won / $ lost
Expectancyper trade
+$12.73
avg $ per position
R-expectancyper risk
+0.051R
in units of risk taken
Avg win / losspayoff
$264.03 / -$250.00
ratio 1.06 : 1
Sharpe / traderisk-adj
0.045
μR / σR
Closing line valueCLV
+2.42 pp
avg edge vs close
-$1,311$310$1,931$3,552$5,17303672108144180trade #cumulative P/L (USD)
cumulative P/Lprofitable zonered zonesynthetic · seeded from asset
The scorecard every trader checks. Synthetic ledger seeded from the asset slug — recomputes against your real fill history once wired.

▸ Advanced metrics · M2M bundle

kalshi · kxpresnomd-28-aoc · fresh · feed 14s old
24h sparkline · 60 pts 1.01%
realized vol (ann.)
102.06%
max drawdown
16.67%
sharpe
ulcer index
9.76%
RMS drawdown
pain index
7.36%
mean drawdown
mod. VaR 95%
0.16%
Cornish-Fisher
martin ratio
ret / ulcer
CDaR 95%
16.67%
cond. drawdown
gain/pain
1.01
Σgain / Σ|loss|
sterling
ret / CDaR
omega (θ=0)
1.01
upside/downside
roll spread
110.5 bps
implied (price-only)
bars used
732
store
spread
952.4 bps
24h Δ
1.01%
flow lean
carry
flat
signalNEUTRALconfidence 25%
  • 24h change +1.01%
Same bundle via M2M API: /api/m2m/kalshi-kxpresnomd-28-aoc/bundle · venue execution: kalshi