玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)0.8941.278.540.1958.3311.76102.56-29.5-7.6477.50-39.22-11.8769.95-12.45-11.38510.11-40.07-11.11
24Q2 (19)0.63-10.00.00.12-29.41-7.69145.4712.620.35785.5747.7712.2479.9061.48-11.5851.1439.2412.8
24Q1 (18)0.702.946.060.1713.336.25129.17-2.82-6.62531.60-9.92-8.0549.48-34.2-32.49611.29-5.64-4.96
23Q4 (17)0.68-17.077.940.15-11.76-11.76132.9219.75-8.66590.138.929.9975.20-4.73-1.53647.8412.896.96
23Q3 (16)0.8230.1632.260.1730.770.0111.00-23.43-24.27541.82-22.583.4278.93-12.57-1.49573.89-23.94-2.79
23Q2 (15)0.63-4.5546.510.13-18.750.0144.964.79-31.07699.8821.06-2.1790.2823.18-18.51754.5517.31-7.41
23Q1 (14)0.664.7634.690.16-5.880.0138.33-4.94-26.09578.157.75-1.073.29-4.03-21.0643.196.19-5.18
22Q4 (13)0.631.6116.670.170.00.0145.52-0.72-14.15536.552.412.7676.37-4.68-18.16605.702.61.24
22Q3 (12)0.6244.19-10.140.1730.77-22.73146.57-30.311.29523.90-26.7726.6380.12-27.689.65590.35-27.5624.98
22Q2 (11)0.43-12.24-33.850.13-18.75-27.78210.2912.3650.14715.4022.542.31110.7819.4138.6814.9120.1344.78
22Q1 (10)0.49-9.26-7.550.16-5.880.0187.1510.419.06583.9811.852.9492.77-0.5915.1678.3513.383.04
21Q4 (9)0.54-21.7420.00.17-22.73-5.56169.5128.71-15.96522.1226.22.2993.3227.7164.18598.3126.67-8.7
21Q3 (8)0.696.15102.940.2222.2269.23131.70-5.97-50.7413.72-17.7-40.0973.07-8.584.25472.35-16.08-46.79
21Q2 (7)0.6522.6485.710.1812.528.57140.06-18.38-45.75502.72-11.39-23.8179.93-0.8316.18562.85-14.5-33.72
21Q1 (6)0.5317.7882.760.16-11.1123.08171.61-14.92-45.08567.3211.14-21.4680.6041.8-2.03658.330.46-30.88
20Q4 (5)0.4532.359.760.1838.46-5.26201.71-24.5-8.79510.44-26.093.856.84-18.9-18.5655.32-26.171.89
20Q3 (4)0.34-2.860.00.13-7.140.0267.153.480.0690.604.660.070.091.880.0887.654.530.0
20Q2 (3)0.3520.690.00.147.690.0258.16-17.380.0659.83-8.650.068.80-16.370.0849.19-10.840.0
20Q1 (2)0.29-29.270.00.13-31.580.0312.4541.280.0722.2946.880.082.2717.970.0952.4748.090.0
19Q4 (1)0.410.00.00.190.00.0221.160.00.0491.750.00.069.740.00.0643.170.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)2.5318.220.62-3.13144.35-15.43593.164.0571.74-17.05665.771.76
2022 (9)2.14-6.140.64-13.51170.696.55570.0615.2386.4918.67654.2612.41
2021 (8)2.2859.440.7429.82160.20-37.38494.73-22.4672.88-10.98582.04-28.32
2020 (7)1.430.70.57-22.97255.83-0.82638.0730.1481.87-26.89812.0427.63
2019 (6)1.42-29.00.74-31.48257.9441.38490.2944.8111.98-3.16636.2656.95
2018 (5)2.00-35.281.08-14.29182.4554.41338.5916.83115.6414.0405.4032.26
2017 (4)3.09-35.891.2610.53118.1655.93289.81-9.58101.44-11.79306.528.97
2016 (3)4.825.011.14-2.5675.78-4.79320.532.91115.00-19.91281.3013.66
2015 (2)4.59-27.261.17-40.3179.5937.51311.4867.61143.589.96247.49118.73
2014 (1)6.3139.291.9690.2957.88-28.13185.84-47.46130.58-61.91113.1523.77

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