RealSiteWorth
Calibration Log

Estimate vs actual sale scoreboard.

Real Site Worth publishes calibration because valuation tools should be judged against sourced outcomes. This seed table uses public sold-listing rows and RSW v0 backtests; future rows will use frozen pre-settlement estimates from the Predict the Sale Price loop.

Rows
10
Within range
80%
Median absolute delta
6.6%
How to read this page

The sale column is the public price label shown on the cited sold-listing source. The RSW columns are the frozen range being tested. A row counts as within range only when the public price lands between the low and high bound. No uncited sales or vendor-derived values are included.

Domain / assetSold priceSettled dateRSW estimate at the timeMidpointDeltaWithin rangeSource
Confidential SaaS, education
saas · education
$8,500,0002026-05-25
Observed as sold on public Flippa broker page
$7,400,000 - $9,100,000
RSW v0 public-listing backtest seed
$8,250,000-2.9%YesFlippa business brokers - United States
Asking Price on sold listing
Confidential content site, United States
website · content
$5,000,0002026-05-25
Observed as sold on public Flippa broker page
$3,200,000 - $4,400,000
RSW v0 public-listing backtest seed
$3,800,000-24.0%NoFlippa business brokers - United States
Asking Price on sold listing
Confidential iOS app, internet
app · internet
$4,250,0002026-05-25
Observed as sold on public Flippa broker page
$3,600,000 - $4,800,000
RSW v0 public-listing backtest seed
$4,200,000-1.2%YesFlippa business brokers - United States
Asking Price on sold listing
Confidential SaaS, travel
saas · travel
$4,000,0002026-05-25
Observed as sold on public Flippa broker page
$3,100,000 - $4,300,000
RSW v0 public-listing backtest seed
$3,700,000-7.5%YesFlippa business brokers - United States
Asking Price on sold listing
Confidential ecommerce, health and beauty
ecommerce · health and beauty
$3,721,0002026-05-25
Observed as sold on public Flippa broker page
$2,900,000 - $3,800,000
RSW v0 public-listing backtest seed
$3,350,000-10.0%YesFlippa business brokers - United States
Asking Price on sold listing
Confidential SaaS, business
saas · business
$2,500,0002026-05-25
Observed as sold on public Flippa broker page
$2,100,000 - $2,800,000
RSW v0 public-listing backtest seed
$2,450,000-2.0%YesFlippa business brokers - United States
Asking Price on sold listing
Confidential content site, California
website · content
$675,0002026-05-25
Observed as sold on public Flippa broker page
$620,000 - $760,000
RSW v0 public-listing backtest seed
$690,000+2.2%YesFlippa business brokers - California
Asking Price on sold listing
Confidential ecommerce, California
ecommerce · health and beauty
$625,0002026-05-25
Observed as sold on public Flippa broker page
$530,000 - $650,000
RSW v0 public-listing backtest seed
$590,000-5.6%YesFlippa business brokers - California
Asking Price on sold listing
Confidential SaaS, United Kingdom
saas · internet
$1,300,0002026-05-25
Observed as sold on public Flippa broker page
$1,050,000 - $1,350,000
RSW v0 public-listing backtest seed
$1,200,000-7.7%YesFlippa business brokers - United Kingdom
Asking Price on sold listing
Confidential content site, hobbies and games
website · hobbies and games
$900,0002026-05-25
Observed as sold on public Flippa broker page
$650,000 - $850,000
RSW v0 public-listing backtest seed
$750,000-16.7%NoFlippa business brokers - United Kingdom
Asking Price on sold listing
Feeds the weekly prediction game

When the public game launches, each week will freeze a Real Site Worth range before predictions open. Once a sale settles, this page gets the actual price, the RSW range, human prediction distribution, and the calibration lesson.