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
24Q1 (20)0.55-16.67-5.171.27-22.0938.04164.1019.074.3271.4828.42-27.8334.794.1615.16200.7925.43-11.2
23Q4 (19)0.66-10.8120.01.63-7.3961.39137.8211.6-17.1155.667.93-38.4833.4026.0459.66160.087.75-32.12
23Q3 (18)0.74-6.3325.421.7632.3345.45123.507.37-20.0951.57-24.36-31.626.504.8726.31148.56-5.93-28.91
23Q2 (17)0.7936.2129.511.3344.57-3.62115.02-26.88-22.8868.18-31.163.4825.27-16.35-14.51157.93-30.16-14.85
23Q1 (16)0.585.457.410.92-8.91-37.84157.30-5.39-6.2399.049.4660.8130.2144.41-15.14226.12-4.1216.71
22Q4 (15)0.55-6.78-16.671.01-16.53-47.12166.277.5920.3790.4820.089.4120.92-0.29-24.75235.8312.8649.17
22Q3 (14)0.59-3.28-9.231.21-12.32-22.93154.543.619.9175.4014.4330.4320.98-29.03-27.03208.9612.6623.16
22Q2 (13)0.6112.96-6.151.38-6.76-8.0149.15-11.096.6765.896.988.2629.56-16.97-16.78185.48-4.2612.29
22Q1 (12)0.54-18.18-16.921.48-22.51-18.23167.7521.4420.3761.5928.9322.3235.6028.06-6.88193.7422.5527.9
21Q4 (11)0.661.54-9.591.9121.66-22.04138.13-1.7610.6447.77-17.3728.7327.80-3.3-19.02158.09-6.8223.88
21Q3 (10)0.650.0-19.751.574.67-49.03140.600.5524.9357.81-5.0195.728.75-19.06-0.76169.662.7149.98
21Q2 (9)0.650.0-32.991.50-17.13-45.45139.830.3448.3860.8620.8784.0935.52-7.0942.82165.189.0461.26
21Q1 (8)0.65-10.9616.071.81-26.1211.04139.3611.62-14.0150.3535.68-9.6438.2311.36-5.04151.4818.7-14.67
20Q4 (7)0.73-9.888.962.45-20.4517.79124.8510.94-8.5737.1125.63-15.1634.3318.5-16.92127.6212.82-8.18
20Q3 (6)0.81-16.499.463.0812.022.71112.5419.42-8.0429.54-10.65-18.6528.9716.49-11.35113.1210.44-10.24
20Q2 (5)0.9773.2132.882.7568.7130.9594.24-41.85-24.933.06-40.67-23.8424.87-38.23-5.8102.43-42.3-28.12
20Q1 (4)0.56-16.420.01.63-21.630.0162.0718.680.055.7227.390.040.26-2.570.0177.5327.730.0
19Q4 (3)0.67-9.460.02.08-17.130.0136.5611.590.043.7420.460.041.3226.440.0138.9910.290.0
19Q3 (2)0.741.370.02.5119.520.0122.38-2.480.036.31-16.360.032.6823.790.0126.02-11.560.0
19Q2 (1)0.730.00.02.100.00.0125.490.00.043.410.00.026.400.00.0142.500.00.0
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)2.7318.185.391.89133.53-15.6267.67-2.028.11-9.9173.09-11.73
2022 (9)2.31-6.485.29-30.67158.247.069.0544.3731.20-12.36196.0922.47
2021 (8)2.47-16.847.63-11.89147.8920.1647.8313.5635.601.74160.1122.96
2020 (7)2.9716.028.6616.87123.08-13.6642.12-14.4834.99-9.12130.21-15.06
2019 (6)2.562.817.41-3.64142.56-2.849.253.8238.503.91153.30-2.39
2018 (5)2.497.337.69-2.53146.66-6.647.442.637.05-2.63157.05-4.95
2017 (4)2.327.917.891.02157.03-7.3146.24-1.0138.05-10.3165.23-4.88
2016 (3)2.15-15.357.81-10.64169.4117.8246.7111.8542.4215.81173.7016.65
2015 (2)2.54-14.778.74-10.82143.7917.4741.7612.1136.6314.36148.9116.67
2014 (1)2.9819.689.805.26122.41-16.4637.25-5.032.03-13.62127.63-14.15

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