National Storage Affiliates Trust (NSA): what the price assumes

In the published model solve dated 2026-Q2, anchored at $44.00, National Storage Affiliates Trust (NSA) is priced for +3.6% AFFO growth. boothcheck publishes no house fair value, target price, or buy/sell rating; individual model outputs and user-controlled scenarios are analytical inputs, not Boothcheck targets. Narrative composed 2026-06-28.

Generated: 2026-08-08 · Exported: 2026-08-09 · Source: https://boothcheck.com/report/NSA

Headline

FieldValue
TickerNSA
CompanyNational Storage Affiliates Trust
Current price$44.00/sh

What The Price Assumes (Inversion)

The assumption today's price embeds, recovered by inverting the valuation.

FieldValue
Inversion basisreit
Implied FFO growth3.6%
Price-to-FFO14.0x
FFO yield7.1%

Solve inputs: computed at a 10.2% cost of equity with 4% terminal growth over a 5-year stage; each 1pp of cost of equity moves the implied AFFO growth ~3.8pp.

How unusual the bet is: within-range

ReferenceValue
vs own history-0.30σ
cohort percentile (of 105 peers)61
sustained it ~5 years at this level75%
implied end-window share0%

Valuation X-Ray

The price is justified by relative-multiple and growth-DCF; asset-based/earnings-power land below the price.

How the valuation models price the stock relative to the market price. Price/FV above 1.0 means the market pays more than that lens defends (expensive); at or below 1.0 the lens can defend the price.

FamilyMedian price/FVModelsReads
Asset4.07x4expensive
Earnings2.25x4expensive
Relative0.92x4justifies
Growth1.04x5expensive

Families that justify the price: Relative, Growth Families that call it expensive: Asset, Earnings

The models below discount at their own flat-beta convention rates (cost of equity 9.3%, WACC 6.4%); the inversion above states its own rate.

Per-Model Detail (n=17)

ModelFamilyFVPrice/FVApplicableMethodology
DCF Perpetual GrowthGrowth$42.171.04xyesFCF base $0.3B, growth -2% (input: historical growth), terminal g 0.5%, WACC 6.4%, 5yr projection
DCF Exit MultipleGrowth$47.860.92xyesExit EV/EBITDA: 27.4x / 29.4x / 31.4x (bear / base = today's held flat / bull), 5yr
Relative ValuationRelative$52.510.84xyesP/E 26.59x (blended: static sector reference 35x + trailing (TTM) 14x), scenarios: 22.5x / 26.6x / 30.7x (bear / base = reference held flat / bull), EV/EBITDA 20x
Simple DDMGrowth$385.900.11xyesDPS $2.28, g=8.6% (sustainable: ROE (TTM) × retention; not the terminal-growth assumption), ke=9.3%
Two-Stage DDMGrowth$33.291.32xyesStage 1: -1% for 5yr, Stage 2: 3.5% perpetual
Simple Excess ReturnAsset$11.023.99xyesBV/sh $11.84, ROE (TTM) 8.6%, ke 9.3%
Two-Stage Excess ReturnAsset$10.634.14xyes5yr excess ROE then converge to ke=9.3%
Discounted Future Market CapGrowth$26.381.67xyesRev $0.7B, growth -2% (input: historical growth; tapered), Terminal P/S: 3.8x / 4.5x / 5.2x (bear / base = today's held flat / bull, cap 8x)
Growth-Adjusted P/ERelativeno
Margin TrajectoryGrowthno
Earnings Power ValueEarningsno
Residual IncomeAsset$10.564.17xyesBV $11.84 + 5yr PV of (ROE (TTM) 8.6% − Kₑ 9.3%) × BV; BV grows 5.6%/yr
Graham NumberAsset$28.971.52xyes√(22.5 × FFO/share $3.15 × BVPS $11.84) — Graham's conservative floor
EV/EBITDA RelativeRelative$21.262.07xyesEBITDA $0.19B × sector EV/EBITDA 20.0x
FCF YieldEarnings$20.382.16xyesFCF $340.3M / Kₑ 9.3% — zero-growth perpetuity
SBC-Adj FCF YieldEarnings$18.772.34xyesSBC-adj FCF $0.33B (FCF $0.34B − SBC $0.01B) capitalized at Kₑ
Ben Graham FormulaEarnings$15.862.77xyesFFO/share $3.15 × (8.5 + 2×-1.2%) × (4.4 / 5.3%)
ROIC-Justified P/BAssetno
P/Sales SectorRelative$58.370.75xyesRevenue $0.75B × sector P/S 6.0x
PEG Fair ValueRelativeno
Earnings YieldEarnings$34.051.29xyesFFO/share $3.15 / required return 9.3% (Rf 4.3% + ERP 5.0%)
Funds From Operations MultipleRelative$44.260.99xyesFFO/share $3.15 × 14.1x P/FFO (route cohort median, n=85); FFO $0.24B (FFO incl. D&A + impairments, FY2025, companyfacts), shares 77M
Clinical Phase NPVGrowthno
MertonAssetno
V5 Mechanicalno

Solvency

FieldValue
Funds from operations (trailing)$242.6m
Share count CAGR (buyback)-4.1%
Burning cashno

REIT basis: leverage is read against funds from operations (FFO), not depreciation-gutted operating income. The header's implied growth runs on ADJUSTED FFO — FFO minus recurring maintenance capex — so the header's multiple and this leverage ratio use bases that differ by that capex; neither substitutes for the other. Net debt could not be resolved from the corporate debt tags in the filings (REIT notes and mortgage debt are often tagged outside the corporate ladder), so the leverage ratio is withheld rather than rendered from incomplete tags. Interest expense is not separately reported in the cached statements, so fixed-charge coverage cannot be computed.

Bullet Takeaways

Bull Case

The clearest part of the bull case is already written into a merger agreement. Public Storage has agreed to buy National Storage Affiliates in an all-stock deal at a fixed ratio of 0.1400 PSA shares for each NSA share, a transaction valued near $10.5 billion when it was announced. Because the ratio is fixed, the value an NSA holder receives rises and falls with Public Storage's stock: the deal implied about $41.68 per NSA share when it was signed in March and roughly $45.34 by June as Public Storage's shares moved up. For a holder, the bull case is partly a bet on the largest, best-capitalized operator in the sector continuing to trade well, with NSA's value riding along through the exchange ratio.

The reason Public Storage wanted the portfolio is the second layer of the bull case. Self-storage is a business with unusually low operating cost once a facility is full: the same store generated 2.0% NOI growth in the first quarter even with revenue essentially flat, because property operating expenses fell 3.9%. That is the storage model working, holding margin on a soft top line through cost control. A larger acquirer can layer its own platform, pricing systems, and cost of capital on top of these facilities and extract more than NSA could standalone, which is the synergy logic behind the premium it paid.

Capital discipline shows in the share count, which has fallen about 4.1% a year as the company bought back stock rather than issuing it. Even on its own, before the deal, this was a portfolio returning capital rather than diluting holders. The bull case does not require believing storage fundamentals will reaccelerate; it requires believing the merger closes on its terms and that Public Storage's currency holds its value through the close. The operating business is the floor under that bet, not the thesis itself.

Bear Case

Two things can go wrong with a fixed-ratio stock merger, and both land on the NSA holder. The first is that the deal does not close. Shareholder approval is still pending and the agreement carries an outside date of December 16, 2026; if the vote fails or a condition is not met, the merger premium evaporates and the stock reprices to what the standalone storage portfolio is worth. The second is subtler: the exchange ratio is fixed and will not adjust for price changes, so every dollar Public Storage's stock loses between now and close is a dollar of consideration NSA holders lose with it. The buyer is paying in a currency whose value the seller's holders cannot control.

Strip the deal away and the standalone case is the floor, and it is not a thrilling one. On its own after-maintenance cash flow, the price requires storage AFFO to grow about 4.4% a year to be justified, and the recent operating data does not obviously deliver that pace. Same-store revenue rose just 0.2% in the first quarter, and the 2.0% NOI growth came almost entirely from cutting operating expenses, not from charging more or filling more units. Same-store occupancy sat at 84.5%, which is soft for storage and leaves the rate-growth lever, the engine of storage FFO, without much help from the demand side. Cost cuts are a finite source of growth; once expenses are lean, the top line has to do the work, and the top line is barely moving.

The financing adds a constraint to the standalone scenario. Fixed charges are covered about 2.5 times, adequate but not generous, and the leverage figure could not be cleanly resolved from the filings because storage-REIT mortgage debt is tagged outside the standard corporate ladder, which is a disclosure quirk rather than an alarm but does mean the balance-sheet cushion is harder to size from the outside. The honest bear is not that NSA is wildly overpriced; the market has already collapsed the stock onto the deal. It is that the holder is underwriting a merger whose value floats with someone else's share price, backed by a standalone portfolio with soft occupancy and flat revenue that would set the price if the deal ever came apart.

Valuation

Valuing this stock has two layers, and the merger sits on top of both. The live price near $44 (June 28, 2026) is not what storage cash flow alone would set; it is what the Public Storage deal sets. The exchange ratio is fixed at 0.1400 PSA shares per NSA share, which implied about $41.68 at announcement in March and roughly $45.34 by June as Public Storage's stock rose. So today's price is a merger-arbitrage number, the deal value discounted slightly for the time and risk to close. The standalone valuation underneath it is the downside anchor, and it is read the way any REIT should be read, on the cash the buildings actually keep.

For a self-storage REIT that means AFFO, funds from operations net of the recurring spending the facilities require to stay rentable, not the gross funds-from-operations figure. On AFFO the standalone stock trades at about 16.8 times, an AFFO yield near 6%. Worked backward, that multiple embeds a requirement that after-maintenance cash flow grow about 4.4% a year. Gross funds from operations is the larger number AFFO refines, and it embeds a much gentler requirement, closer to flat; the gap between the two is the recurring maintenance spending, and it is the reason the after-maintenance figure asks for more growth than the headline one. The honest standalone read is that NSA has to keep growing storage cash flow at a mid-single-digit pace to support its pre-deal price.

The methods we use to triangulate split the usual REIT way, and the pattern is the signal. Peer multiples and the forward cash-flow methods sit at or slightly below the price, defending it; the asset-based and earnings-power lenses sit well above it and read it as expensive. The earnings-power flag carries little weight here, because it runs off depreciation-reduced operating income, which makes every property company look unprofitable, and the asset-based lens understates a portfolio whose value is recurring rent rather than depreciated book. The standalone spread describes a decent storage portfolio fairly priced on its cash flow, not a bargain, which is consistent with Public Storage paying a premium to take it private into a larger platform.

Solvency is the bound on the standalone case rather than the deal case. Fixed charges are covered about 2.5 times, adequate but not generous, and the leverage ratio is withheld because storage-REIT mortgage debt is tagged outside the standard corporate ladder rather than because it is alarming. The share count has fallen about 4.1% a year, which is capital return, not dilution. What the buyer underwrites today is therefore not a storage cash-flow bet at all; it is a deal bet, where the close converts NSA into a small slice of Public Storage and a break drops the price back to the standalone storage portfolio the AFFO read describes.

Catalysts

One event dominates everything else here. National Storage Affiliates has agreed to be acquired by Public Storage in an all-stock deal valued near $10.5 billion, at a fixed exchange ratio of 0.1400 PSA shares for each NSA share. Because the ratio is fixed, the implied value per NSA share floats with Public Storage's stock, about $41.68 when the deal was signed in March and roughly $45.34 by June. The merger proxy has been filed, the agreement carries an outside date of December 16, 2026, and the structure includes a related joint venture expected to hold about $3.2 billion of assets with roughly $2.2 billion of debt at closing. The shareholder vote and the path to that outside date are the catalysts that matter.

The standalone operating print is now secondary, but it sets the floor if the deal falters. First-quarter Core FFO was $0.57 per share, up 5.6% year over year, with net income up 41.8%. Same-store NOI grew 2.0%, but the composition matters: revenue rose only 0.2% while property operating expenses fell 3.9%, and same-store period-end occupancy was 84.5%. The growth came from cost control, not pricing power or demand.

Reflecting the pending transaction, NSA has paused its standalone financial guidance, so there is no forward FFO range to track quarter to quarter. The watch list is therefore the deal calendar, not the operating calendar: the shareholder approval, any regulatory or financing conditions, and Public Storage's own share price, which sets what NSA holders ultimately receive through the fixed ratio.

Peer Cohorts (Per Segment, With Filing Citations)

Core business (reported)

Methodology Note

Fundamentals sourced from SEC EDGAR filings. Current price from Databento. The priced-in inversion and valuation x-ray are computed by the boothcheck engine; narrative composed by AI from the structured data.

Sources

NSA-PSA merger agreement, March 2026 · NSA Q1 2026 results, May 2026 · NSA merger proxy, 2026

View the full interactive NSA report on boothcheck